16840728

素因数分解:

$2^3\times 3^2\times {\mathrm{151}}^1\times {\mathrm{1549}}^1$

素因数の和:1712

約数の個数: 48

約数和(自身を含む): 45942000

約数和(自身を除く): 29101272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 151, 302, 453, 604, 906, 1208, 1359, 1549, 1812, 2718, 3098, 3624, 4647, 5436, 6196, 9294, 10872, 12392, 13941, 18588, 27882, 37176, 55764, 111528, 233899, 467798, 701697, 935596, 1403394, 1871192, 2105091, 2806788, 4210182, 5613576, 8420364, 16840728]

約数ペア:

[(1, 16840728), (2, 8420364), (3, 5613576), (4, 4210182), (6, 2806788), (8, 2105091), (9, 1871192), (12, 1403394), (18, 935596), (24, 701697), (36, 467798), (72, 233899), (151, 111528), (302, 55764), (453, 37176), (604, 27882), (906, 18588), (1208, 13941), (1359, 12392), (1549, 10872), (1812, 9294), (2718, 6196), (3098, 5436), (3624, 4647)]